Fifth-wheel coupling
Videos
The fifth-wheel coupling provides the link between a semi-trailer and the towing truck, tractor unit, leading trailer or dolly. The coupling consists of a kingpin, a 2-or-3+1⁄2-inch-diameter vertical
The fifth wheel on a tractor unit, rear view
A fifth wheel, already coupled, side view
A 1920 advertisement for Martin Rocking Fifth Wheel
Caravan (trailer)
Videos
A caravan, travel trailer, camper, tourer or camper trailer is a trailer towed behind a road vehicle to provide a place to sleep which is more comfortable and protected than a tent. It provides the me
Fifth-wheel coupling
…in Australia and New Zealand, especially if it is a rotating ball-race-bearing type. The advantage of this type of coupling is towing stability. Some camper trailers also use a fifth-wheel configuration, with the coupling installed in the bed of a pickup truck as a towing vehicle; "fifth wheel" is therefore sometimes…
Caravan, Netherlands, 2005
Teardrop trailers
Elaborate caravan built by Howcroft of West Hartlepool for an English showman, first half of the 20th century.
William Gordon Stables in his leisure caravan, the Wanderer.